Mathematics
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    √7.84
    10^2-9.6^2
    √10^2-9^2
    180—90+arctan(0.234*9.16)—arctan(0.05*9.16)-arctan(0.5*9.16)
    180—90+(arctan0.234—arctan0.05—arctan0.5)*9.16
    90+arctan(0.234*9.16)-arctan(0.5*9.16)-arctan(0.05*9.16)
    180-90-149
    (arctan0.234-arctan0.5-arctan0.05)*9.16
    180+arctan0.234*9.16-arctan0.5*9.16-arctan0.05*9.16-90
    945/0.159465
    3543601^0.5
    551^2+1800^2
    1890/0.178316
    0.58787*0.5*3215^2-0.5*3215^2*sin(0.58787)
    1800^2/551
    1800^2-551^2
    6084.47*cos(0.310638)+551.11
    cos20.7/sin20.7
    cos45/sin45
    5893/sin20.7

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